Reliable connectivity is mostly about removing avoidable obstacles rather than buying new equipment. Position, power and up-to-date software account for the majority of everyday connection complaints across Wi-Fi, Bluetooth and wired accessories alike.
For Wi-Fi, the router's position sets the ceiling for everything else. High, central and in the open beats any setting you can change. Devices that stay in one place — a desktop, a TV, a console — benefit disproportionately from a cable, which also frees up airtime for everything still on Wi-Fi.
For Bluetooth, fewer active pairings means fewer surprises. Accessories reconnect to whatever they remember, so keeping a short list of current pairings and forgetting old ones prevents most of the confusion about where the audio went.
For wired accessories, cables and ports are the weak points, not the devices. Trying a different port and a different cable takes thirty seconds and resolves a large share of not-recognised errors. Drives and larger accessories should be connected directly or through a powered hub.